<template>
    <div class="cartcontrol">
    <transition name="move">
      <div class="iconfont icon-remove_circle_outline" v-if="food.count" @click.stop="updateFoodCount(false)"></div>
    </transition>
    
     <!-- 判断food是否有count属性 v-if -->
    <div class="cart-count" v-if="food.count">{{food.count}}</div>

    <!-- 初始化的时候只显示一个圆形的加号小图标 当food.count有值后，才执行加减两个方法 -->
    <div class="iconfont icon-add_circle" @click.stop="updateFoodCount(true)"></div>
  </div>
</template>

<script>
export default {
    props: {
      //接收父组件传值
        food:Object,
        isflag:true
    },
    data() {
        return {
        };
    },
    methods: {
     updateFoodCount(isflag){
         let {food}=this
         this.$store.dispatch('updateFoodCount',{isflag,food})
     }
    },
};
</script>

<style scoped  lang='stylus' >
  @import "../../common/stylus/mixins.styl"
  .cartcontrol
    font-size: 0
    .cart-decrease
      display: inline-block
      padding: 6px
      line-height: 24px
      font-size: 24px
      color: rgb(0, 160, 220)

    .icon-remove_circle_outline
      display: inline-block
      padding 6px
      line-height 24px
      font-size 24px
      color $green
      &.move-enter-active, &.move-leave-active
        transition all .3s
      &.move-enter, &.move-leave-to
        opacity 0
        transform translateX(15px) rotate(180deg)
    .cart-count
      display: inline-block
      vertical-align: top
      width: 12px
      padding-top: 6px
      line-height: 24px
      text-align: center
      font-size: 10px
      color: rgb(147, 153, 159)
    .icon-add_circle
      display: inline-block
      padding: 6px
      line-height: 24px
      font-size: 24px
      color $green
</style>
